Zinc Oxide DESULFURIZATION ADSORBENT

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ZINC OXIDE DESULFURIZATION ADSORBENT RDT****2 1. Features and Scope of Application Zinc Oxide Desulfurization Adsorbent RDT****2 is widely applicable to feedstock purification processes in production of hydrogen, ammonia&#****9;alcohols and organic chemicals. It can remove hydrogen sulfide from various feed gases (oils) to as low as less than 0.1ppm. The adsorbent also is capable of converting and absorbing simple organic sulfur such as COS and CS2. It can work in severe conditions with high sulfur absorption capacity, high activity, high strength, good sustainability for activity and sulfur absorption capacity, and good tolerance to high steam to gas ratio. It can obtain satisfactory operation results both at higher (about **0&#***1;) and lower (about **0&#***1;) temperature. 2. Composition and Physical Properties Appearance white or light-gray extrusions Particle size, mm &#**6;4mm×***0mm Bulk density, kg/l 1.***1.*5 Loss on ignition, % max2 Zinc oxide content, % min*7 Crush strength, N/cm min*0 Loss on abrasion,% max6 Breakthrough sulfur capacity,% min*0&#****8;**0&#***1;&#****9; 4. Normal Operation Condition Feedstock: light oil, residue cracking gas, natural gas, synthesis gas, coal gas and shifted gas, with recommended hydrogen sulfide concentration of less than **0 ppm. Pressure, MPa Ambient to 4 Temperature, &#***1; **0&#****4;**0 Steam/feed gas 1&#****4;1.5 or dry gas Space velocity, h*1 ***0&#****4;***0(gas); 1&#****4;6 (liquid) Sulfur in processed stream, ppm <0.1 5. Packing: iron drums innerlining double-layer plastic bags.